diff --git a/content/actions/security-guides/using-secrets-in-github-actions.md b/content/actions/security-guides/using-secrets-in-github-actions.md
index b7cad7c031..6838a8595c 100644
--- a/content/actions/security-guides/using-secrets-in-github-actions.md
+++ b/content/actions/security-guides/using-secrets-in-github-actions.md
@@ -402,10 +402,18 @@ You can use Base64 encoding to store small binary blobs as secrets. You can then
 
 1. Use `base64` to encode your file into a Base64 string. For example:
 
+   On MacOS, you could run:
+
    ```shell
    base64 -i cert.der -o cert.base64
    ```
 
+   On Linux, you could run:
+
+   ```shell
+   base64 -w 0 cert.der > cert.base64
+   ```
+
 1. Create a secret that contains the Base64 string. For example:
 
    ```shell